<template>
    <div>
        <div style="margin: 10px 0">
            <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-user" v-model="name"></el-input>
            <el-button class="mr-l-5" type="primary" @click="load">查询</el-button>
            <el-button class="mr-l-5" type="warning" @click="reset">重置</el-button>
        </div>
        <div style="margin: 10px 0">
            <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
            <el-button type="danger" @click="delBath">批量删除 <i class="el-icon-remove-outline"></i></el-button>
        </div>
        <el-table :data="tableData"  stripe border header-cell-class-name="headerBg"
                  @selection-change="handleSelectionChange"
        >
            <el-table-column
                    type="selection"
                    width="55">
            </el-table-column>
            <el-table-column prop="id" label="Id" width="50px"></el-table-column>
            <el-table-column prop="name" label="名称" ></el-table-column>
            <el-table-column prop="description" label="描述" ></el-table-column>
            <el-table-column prop="flag" label="唯一标识" ></el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button type="info" @click="selectMenu(scope.row)">分配菜单<i class="el-icon-menu"></i></el-button>

                    <el-button
                            size="mini"
                            type="success"
                            @click="handleEdit(scope.row)"  class="mr-l-5">编辑<i class="el-icon-edit"></i></el-button>
                    <el-popconfirm
                            confirm-button-text='好的'
                            cancel-button-text='不用了'
                            icon="el-icon-info"
                            icon-color="red"
                            title="这是一段内容确定删除吗？"
                            @confirm="handleDelete( scope.row.id)"
                    >
                        <el-button size="mini" type="danger" slot="reference" class="mr-l-5">删除<i class="el-icon-remove-outline"></i></el-button>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <div  class="block" style="padding: 10px 0">
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="pageNum"
                    :page-sizes="[5, 10, 20, 50]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="totalNum">
            </el-pagination>
        </div>
        <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="30%" >
            <el-form label-width="80px" size="small">
                <el-form-item label="名称" ><el-input v-model="form.name" autocomplete="off" placeholder="请输入密码" style="width: 80%"></el-input></el-form-item>
                <el-form-item label="描述" ><el-input v-model="form.description" autocomplete="off" placeholder="请输入密码" style="width: 80%"></el-input></el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save">确 定</el-button>
            </div>
        </el-dialog>

        <el-dialog title="菜单分配" :visible.sync="menuDialogVisible" width="30%" >
          <el-tree
              :data="menuData"
              :id = "roleId"
              show-checkbox
              node-key="id"
              ref="tree"
              :default-expanded-keys="expends"
              :default-checked-keys="checks"
              :props="props"
          >
            <span class="custom-tree-node" slot-scope="{ node, data }">
              <span><i :class="data.icon"></i> {{ data.name }}</span>
          </span>
          </el-tree>
            <div slot="footer" class="dialog-footer">
                <el-button @click="menuDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="choseMenu">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
let loading;
    export default {
        name: "User",
        data(){
            return {
                flag: false,
                tableData: [],
                name:'',
                form: {name:"",description:""},
                dialogFormVisible: false,
                menuDialogVisible:false,
                pageNum: 1,
                pageSize: 10,
                totalNum: 10,
                multipleSelection: [],
                menuData:[],
                props:{
                  label:'name',
                },
                expends:[],
                checks:[],
                roleId:1,
                roleFlag: '',
                ids:[]
            }
        },
        created() {
            //请求分页查询数据
            this.load()
        },
        methods:{
            load(){
                this.request.get('/role/page',{
                    params: {
                        pageNum: this.pageNum,
                        pageSize : this.pageSize,
                        name : this.name
                    }
                }).then(res => {
                    this.tableData = res.data.records
                    this.totalNum = res.data.total
                })
              this.request.get("/menu/ids").then(r => {
                this.ids = r.data
              })
            },
            save(){
                this.request.post("/role",this.form).then(res => {
                    if (res.status === '200'){
                        this.$message.success("操作成功")
                        this.dialogFormVisible= false;
                        this.load();
                    }else{
                        this.$message.error("操作失败")
                        this.dialogFormVisible= false;
                    }
                })
            },
            handleDelete(id){
                this.request.delete("/role/"+id).then(res => {
                    if (res){
                        this.$message.success("删除成功")
                        this.pageNum = 1
                        this.load();
                    }else{
                        this.$message.error("删除失败")
                    }
                })
            },
            handleEdit(row){
               this.form = row
                this.dialogFormVisible= true
            },
            handleAdd(){
                this.dialogFormVisible = true
                this.form = {}
            },
            reset(){
                this.name = "",
                    this.load();
            },
            handleSelectionChange(val) {
                this.multipleSelection = val
            },
            delBath(){
                let ids = this.multipleSelection.map(v => v.id);
                this.$confirm('此操作将永久删除, 是否继续?', '提示', {
                    cancelButtonText: '取消',
                  confirmButtonText: '确定',
                    type: 'warning'
                }).then(() => {
                    this.request.post("/role/del/batch",ids).then(res => {
                        if (res){
                            this.$message.success("删除成功")
                            this.load();
                        }else{
                            this.$message.error("删除失败")
                        }
                    })
                }).catch(() => {
                    this.$message({
                        type: 'info',
                        message: '已取消删除'
                    });
                });
            },
            handleSizeChange(pageSize){
                this.pageSize = pageSize
                this.load();
            },
            handleCurrentChange(pageNum){
                this.pageNum = pageNum
                this.load()
            },
            selectMenu(role){
              this.checks =[]
              loading = this.$loading({
                lock: true,
                text: "Loading",
                spinner: "el-icon-loading",
                background: "rgba(0, 0, 0, 0.7)",
              });

                //请求菜单数据
                this.request.get('/menu/getAll',{
                }).then(res => {
                  this.menuData = res.data
                  this.expends = this.menuData.map(m => m.id)
                })
              this.roleId =role.id
              this.roleFlag = role.flag
              this.request.get('/role/roleMenu/'+ this.roleId).then(res => {
                this.checks = res.data
                /*this.$refs.tree.setChecked(id,false)*/
                  setTimeout(() => {
                    loading.close();
                    this.menuDialogVisible = true;
                   }, 200);
              })
            },
          choseMenu(){
            const add = this.$refs.tree.getCheckedKeys();
            this.request.post("/role/roleMenu/"+this.roleId,add).then(res => {
              if (res.status === '200'){
                this.$message.success("绑定成功")
                this.menuDialogVisible = false;
                //如果管理员修改自己的权限
                if (this.roleFlag === 'ROLE_ADMIN'){
                  this.$store.commit("logout")
                }

              }else{
                this.$message.error(res.msg)
              }
            })
          }
        }
    }
</script>

<style>
.headerBg{
    background: #eee !important;
}
</style>